Quick answers
- Does Karim Welaya accept Medicare assignment?
- Yes. Medicare's clinician data says Karim Welaya accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Karim Welaya see?
- In 2024, CMS data shows 313 Original Medicare patients and 1,143 services for Karim Welaya. This counts Original Medicare only and measures volume, not quality.
- What is Karim Welaya's NPI number?
- 1841600491. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Karim Welaya, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 313 |
|---|---|
| Services billed to Medicare | 1,143 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)398 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)331 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)77 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)50 services
- Insertion of needle into vein for collection of blood sample (36415)46 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol74%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)54%
- Arthritis50%
- Chronic kidney disease37%
- Diabetes32%
Hospitals where Karim Welaya works
Medicare's Facility Affiliation Data lists Karim Welaya at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cox Medical Center BransonBranson, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260094
- Cox Medical CentersSpringfield, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260040
- Cox Monett HospitalMonett, MO · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 261329
Practice locations
Addresses where Karim Welaya is enrolled with Medicare (CMS data updated October 2, 2026).
- 3850 S National Ave, Suite 520Springfield, MO 65807 (417) 875‑3000
Group practices
Medicare enrollment lists Karim Welaya as a member of this group (CMS data updated October 2, 2026).
- Lester E Cox Medical Centers345 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MO — not a recommendation.
Other clinicians in Lester E Cox Medical Centers
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841600491 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians